Wheel-mounting for mine-cars.



W. A. DORSEY. WHEEL MOUNTIVNG FOR MINE CARS. APPLICATION FILED ]UNE'29,'1915.

1,215,632. Patented Feb. 13, 1917.

- 50 box is secured to the car WALTER A. DOBSEY, OF COLUMBUS, OHIO, ASSIGNOR T or communes,

THE BONNEY-FLOYD COMPANY,

OHIO, A CORPORATION OF OHIO.

WHEEL-MOUNTING FOB MINE-CARS.

To all whom it may concern.-

Be it known that I, WALTER A. DORSEY, a citizen of the United States, residing at C0- lumbus, in the county of Franklin and State of Ohio, have invented certain new and useful Improvements in Wheel-Mountings for Mine-Cars, specification, reference being had therein to the accompanying drawing.

This invention relates to improvements in the devices for mounting the wheels on pit cars or cars for coal mines.

The object is to provide a mounting for the wheels and their axle which will permit freedom of movement of the several parts, so that t c thrusts and strains experienced by the cars as they are moving over the curves or irregularities of the tracks will be more advantageously taken care of than has been the case with cars as heretofore constructed.

Figure 1 is .a cross section of a coal mine car showing an axle, its bearings and wheels constructed and mounted in accordance with my improvements;

Fig. 2 is a side elevation of a car having a such mountings;

Fig. 3 is a vertical section on the line 3-3 of Fig. 1;

Fig. 4. is a vertical section on the line 44: of Fig. 1;

Fig. 5 shows the washer or bearing block detached.

In the drawings, the numeral 1 indicates 3 the body of the car, it having a side wall 2, and a bottom 3.. Each car has two axles, and each axle is provided with two wheels 4, 1. These wheels 4: are loosely mounted on their axle 5, at its ends, respectively.

The axle is loosely supported in the boxes 6, 6, one at each side of the car. Each box is cast with a main bearing-portion 7, a vertical flange 9, and horizontal flanges or car plates 11. The main bearing part 7 extends integrally around the bearing aperture 8 in which the axle is loosely fitted. The vertical flange 9 fits against the outer vertical wall of the car body and braces the bearing against lateral displacement. Each by bolts 10, which are positioned vertically in the horizontal platefianges 11.

Each wheel is formed integrally with a hub, a peripheral part and spokes. The hub 12 has the outer cylindrical part 13 and the Specification of Letters Patent.

of which the following is a Patented Feb. 13,1917.

Application filed June 29,1915. Serial No. 37,08

inner cylindrical part 14, between which there is a short cylindrical part 12 cast hollow to receive and carry lubricant. The hub terminates at the inner end in a vertically arranged inwardly projecting flange 15, which extends to a circle closely adjacent to the axle. It is formed with a relatively large chamber between the axle and the parts 13 and 14; in which chamber are disposed two sets of anti-friction rollers 16, the rollers being carried by the cage rings 17. Those of one set lie in the transverse planes of the hub cylinder 13, and those of the other set lie in the transverse planes of the cylinder 14. The cage rings 17 are loose, and the rollers are loosely mounted therein. The lengths of the rollers of the two sets, together with the thicknesses of the cage rings, is somewhat less than the total length of the chamber in the hub, and consequently no endwise pressure is exerted upon the roller.

The box 6 is formed with a relatively deep recess or chamber 18 in its outer face around the axle. In this is fitted a large thick loose wearing collar or washer 19, positioned between the vertical annular fiange 15 on the wheel hub and the vertical surface at the inner end of the chamber 18.

The outer end of the wheel hub is covered by a cap 20 which is flanged and fitted tightly to it. Outside of this cap there is a. detachable key or cotter pin 21, inserted int-o, and passed through, an aperture in the end of the axle Between the key or colt-er pin and the closing cap 20 one or more. washers 22 are placed to make a suitably tight fit o'f'the parts and to relieve the cap and the key or cotter pin of wear.

The axle rests, as aforesaid, loosely in the two boxes 6, 6, so that it can not only rotate when there is sufficient torque, but also move endwise as occasion demands. 7

It is not provided with specially made parts, such as collars, 0r shoulders, or squared sections, but is cut from ordinary shafting of suitable. diameter, and is simple in form and inexpensive. And, moreover, it is so mounted as to avoid the transmission" of thrusts from one side to the other of the car. It is relieved of these because the thrusts are transmitted from the car through the box to the wheel hub on the left side or the right side, according to the deflection in the path of the car. That is to say, the thrusts and strains are taken by the boxes and the wheel hubs, the flanges of the wheels abutting against the track treads when there is lateral pressure. And to compensate for this the large thick wearing washers 19 are used whlch can be readily replaced. These are cheaply made, and 1n case of wear can be readily wlthd'rawn and replaced by others.

The parts at the outer ends of the axle, such as the cap 20 and the lock pins or cotters 21, have but little work to do, and have long working lives. If wear should occur on the rollers at 16 it is not necessary to dismantle the car; the looks at 21, the washers and cap 20 can be withdrawn and the rollers taken out and repaired or new ones substituted, and the roller chamber again closed. The cylinder wall 25 of the cham ber 18 is extended out far enough to surround the inner ends of the hub 12. The axle can be withdrawn while the wheelsare in position after withdrawing the lock p ns; or, vice versa, either wheel can be withdrawn from the axle, the adjacent part of the .car being suitably supported, as by a 'ack.

J The oiling of the wheel is accomplished by removing the screw plug at 24.

What I claim is:

1.. The herein described means for mounting the body of a mine car having in combination the boxes secured to the body of the car and each formed with a relatively deep chamber around the axis, the wheels having hubs loosely mounted on the axles, the enlarged wearing blocks 1n the cham bers in the boxes and bearing agalnst the hubs, the rotary axle 5 mounted and freely movable longitudinally and rotatable in said boxes and wheels, and means on the axle outside of the wheels for preventing the lateral displacement of either Wheel therefrom, each wheel being free on the axle and movably confined between its wearing block and the said means on the axle outside of the wheel.

2. The herein described means for mounting the body of a mine car having in combination the boxes secured to the body of the car, the axle mounted longitudinally and rotatively loosely in said boxes and adapted to be passed entirely through them, the wheels one at each end of the axle, each wheel having a relatively enlarged hub with an inward turned flange at the inner end, the sets of anti-friction rollers mounted between the hub and the axle, the relatively large thick bearing plate interposed between the wheel hub and the box, the cap at the outer end of the hub, and the lock pins or keys in the outer ends of the axle for holding, longitudinally, the parts together which are mounted on the axle, substantially as set forth.

3. The herein described means for mounting the body of a mine car having in combination the boxes secured to the body of the car, the axle mounted longitudinally in said boxes and adapted to be passed entirely through them, and through the wheels, the wheels one at each end of the axle, each wheel having a relatively enlarged hub with an inward turned flange at the inner end and inserted in the outer end of the box, the sets of anti-friction rollers mounted between the hub and the axle, the separate cap at the outer end of the hub, and the lock pins or keys in the outer ends of the axle for holding, longitudinally, the parts together which are mounted on the axle.

In testimony whereof, I affix my signature, in presence of two witnesses.

WALTER A. DORSEY. 

